CVE-2026-84764 (GCVE-0-2026-84764)
Vulnerability from cvelistv5 – Published: 2026-09-02 11:37 – Updated: 2026-09-02 11:37
VLAI
EPSS
VEX
Title
WordPress Simply Schedule Appointments plugin <= 1.6.12.23 - Cross Site Request Forgery (CSRF) vulnerability
Summary
Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments <= 1.6.12.23 versions.
Severity
8.8 (High)
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://patchstack.com/database/wordpress/plugin/… | vdb-entry |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| NSquared | Simply Schedule Appointments |
Affected:
n/a , ≤ 1.6.12.23
(custom)
|
guessed |
{
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://wordpress.org/plugins",
"defaultStatus": "unaffected",
"packageName": "simply-schedule-appointments",
"product": "Simply Schedule Appointments",
"vendor": "NSquared",
"versions": [
{
"changes": [
{
"at": "1.6.12.24",
"status": "unaffected"
}
],
"lessThanOrEqual": "1.6.12.23",
"status": "affected",
"version": "n/a",
"versionType": "custom"
}
]
}
],
"credits": [
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"lang": "en",
"type": "finder",
"user": "00000000-0000-4000-9000-000000000000",
"value": "Anthony Green of Greenhat Security | Patchstack Bug Bounty Program"
}
],
"descriptions": [
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"supportingMedia": [
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"type": "text/html",
"value": "Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments \u003c= 1.6.12.23 versions."
}
],
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}
],
"impacts": [
{
"capecId": "CAPEC-62",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-62 Cross Site Request Forgery"
}
]
}
],
"metrics": [
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
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"problemTypes": [
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"description": "CWE-352 Cross-Site Request Forgery (CSRF)",
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"type": "CWE"
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"providerMetadata": {
"dateUpdated": "2026-09-02T11:37:33.808Z",
"orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"shortName": "Patchstack"
},
"references": [
{
"tags": [
"vdb-entry"
],
"url": "https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-23-cross-site-request-forgery-csrf-vulnerability?_s_id=cve"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Update the WordPress Simply Schedule Appointments Plugin to the latest available version (at least 1.6.12.24)."
}
],
"value": "Update the WordPress Simply Schedule Appointments Plugin to the latest available version (at least 1.6.12.24)."
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "WordPress Simply Schedule Appointments plugin \u003c= 1.6.12.23 - Cross Site Request Forgery (CSRF) vulnerability",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"assignerShortName": "Patchstack",
"cveId": "CVE-2026-84764",
"datePublished": "2026-09-02T11:37:33.808Z",
"dateReserved": "2026-09-02T09:57:42.761Z",
"dateUpdated": "2026-09-02T11:37:33.808Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-84764\",\"sourceIdentifier\":\"audit@patchstack.com\",\"published\":\"2026-09-02T12:17:14.800\",\"lastModified\":\"2026-09-02T13:54:48.797\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Unauthenticated Cross Site Request Forgery (CSRF) in Simply Schedule Appointments \u003c= 1.6.12.23 versions.\"}],\"affected\":[{\"source\":\"audit@patchstack.com\",\"affectedData\":[{\"vendor\":\"NSquared\",\"product\":\"Simply Schedule Appointments\",\"defaultStatus\":\"unaffected\",\"collectionURL\":\"https://wordpress.org/plugins\",\"packageName\":\"simply-schedule-appointments\",\"versions\":[{\"version\":\"n/a\",\"lessThanOrEqual\":\"1.6.12.23\",\"versionType\":\"custom\",\"status\":\"affected\",\"changes\":[{\"at\":\"1.6.12.24\",\"status\":\"unaffected\"}]}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"audit@patchstack.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-352\"}]}],\"references\":[{\"url\":\"https://patchstack.com/database/wordpress/plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-12-23-cross-site-request-forgery-csrf-vulnerability?_s_id=cve\",\"source\":\"audit@patchstack.com\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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